Bjak

Mobile App Security Engineer

Remote remote Mid Salary not listed
remote Mid level Technology & IT Curated
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About the role

About BJAK
The original mission of BJAK is we believe people deserve smarter ways to plan, save and grow their money. This is the origin of our name.
Started in 2019, we built the first mobile-first, insurance platform, enabling insurance to be accessible online by millions in the region. Today, its the leading insurance platform in Southeast Asia.
Today, we are expanding ways to help people in the region — this includes spending, saving, investing, exchanging, travelling, and more. Our mission is help people get more from their money every day.
We have teams working around the world, with over 20 nationalities from our offices and remotely, who truly enjoys their work. We are looking for the most talented and driven people we can find. We are looking for people who work for their passion, not counting hours. Who loves building great next-generation products, not status quo. Who cares about redefining how everyone around us can get the best financial applications, not for an exclusive few.
If you're this person, we'd love to talk to you.
The Role
Protect BJAK's native iOS and Android applications and their connections to backend services. Work with mobile, backend, and security teams to build mobile security into development and release processes.
What You Will Build

Assess and review native iOS and Android applications built with Swift and Kotlin.

Apply OWASP MASVS and MASTG to define mobile security requirements, test coverage, and remediation priorities.

Assess secure local storage, Keychain and Keystore use, sensitive data handling, sessions, tokens, and data leakage.

Implement and test transport security, including certificate validation and certificate pinning where appropriate.

Evaluate tamper detection, jailbreak and root detection, anti-debugging, and runtime protection controls proportionate to risk.

Work with API and backend teams on authentication, authorization, API exposure, and secure mobile communication.

Own mobile security controls for SC TRM and BNM RMiT, including testing evidence, vulnerability remediation, release controls, and audit support.

What We Look For

Degree in Computer Science, Cybersecurity, or related field, or equivalent experience.

3+ years in mobile development, mobile security, or mobile penetration testing.

Experience implementing and owning SC TRM and BNM RMiT controls relevant to mobile applications and secure technology delivery.

Hands-on native iOS development or review using Swift and Android using Kotlin.

Practical knowledge of OWASP MASVS and MASTG, mobile threat modeling, and mobile testing tools.

Experience with secure storage, certificate pinning, jailbreak/root detection, tamper resistance, authentication, and mobile API security.

Able to work with mobile developers and communicate findings, trade-offs, and remediation steps.

Language
English is our main working language across global teams. Strong English communication is required.
Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Mid
Technology & IT API integration Mobile App Security Engineer Mid level

Likely questions

  1. Tell us about work you have done that is close to the Mobile App Security Engineer role.
  2. How would you approach your first 30 days at Bjak?
  3. Which of API integration, Mobile and App have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you stay organised and communicate clearly when working remotely?

Prepare before the call

  • A recent example that proves your experience with API integration, Mobile and App.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Mobile App Security Engineer role because I can bring practical experience in API integration, Mobile and App, learn the team quickly, and contribute to the outcomes Bjak needs from this hire.

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